The first-ever detailed study of the diets of great white sharks off the east Australian coast reveals this apex predator spends more time feeding close to the seabed than expected.
Plants & Animals
Jun 7, 2020
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(Phys.org) —A team of researchers studying narwhal and beluga whales in their native Arctic ecosystem has found what appears to be a correlation between testes mass and tusk length in narwhals—suggesting the horn-like ...
(Phys.org) -- Environmental scientists at Harvard have discovered that the Arctic accumulation of mercury, a toxic element, is caused by both atmospheric forces and the flow of circumpolar rivers that carry the element north ...
Earth Sciences
May 21, 2012
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(PhysOrg.com) -- Grey seals have different types of personality that affect the extent to which they guard and care for their young, according to new research.
Plants & Animals
Nov 23, 2011
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For decades, fish-eating killer whales in the Pacific Northwest have been observed harassing and even killing porpoises without consuming them—a perplexing behavior that has long intrigued scientists.
Plants & Animals
Sep 28, 2023
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(Phys.org) —A trio of researchers working for the National Museum of Natural History and the Smithsonian Environmental Research Center has found that Weddell seal pups have proportionally, the largest brains at birth of ...
New NOAA-led research on tagged humpback whales in Stellwagen Bank National Marine Sanctuary reveals a variety of previously unknown feeding techniques along the seafloor. Rather than a single bottom feeding behavior, the ...
Plants & Animals
Sep 26, 2013
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White sharks, the largest predatory sharks in the ocean, are thought of as apex predators that feed primarily on seals and sea lions. But a new study by researchers at the University of California, Santa Cruz, shows surprising ...
Plants & Animals
Sep 28, 2012
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The number of California blue whales has rebounded to near historical levels, according to new research by the University of Washington, and while the number of blue whales struck by ships is likely above allowable U.S. limits, ...
Plants & Animals
Sep 5, 2014
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New Curtin University research has found southern Australian long-finned pilot whales are able to mimic the calls of its natural predator and food rival—the killer whale, as a possible ploy to outsmart it.
Plants & Animals
Dec 3, 2020
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